package com.max.xihu.concurrent.day01;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @Author: Max
 * @Date: 2020-06-29 23:25
 * @Description:
 */
public class PriorityDemo {

    private static volatile boolean notStart = true;
    private static volatile boolean notEnd = true;


    public static void main(String[] args) throws Exception{

        List<Job> jobs = new ArrayList<>();

        for (int i = 0; i < 10; i++){
            int priority = i < 5 ? Thread.MIN_PRIORITY : Thread.MAX_PRIORITY;
            Job job = new Job(priority);
            jobs.add(job);
            Thread thread = new Thread(job,"Thread "+i);
            thread.setPriority(priority);
            thread.start();
        }
        notStart = false;
        TimeUnit.SECONDS.sleep(10);
        notEnd = false;
        for (Job job : jobs){
            System.out.println("Job priority: "+job.priority+", Count:"+job.jobCount);
        }

    }

    static class Job implements Runnable{

        private int priority;
        private long jobCount;

        public Job(int priority){
            this.priority = priority;
        }

        @Override
        public void run() {

            while (notStart){
                Thread.yield();
            }
            while (notEnd){
                Thread.yield();;
                jobCount++;
            }
        }
    }
}
